1--TEST--
2Test filesize() function: usage variations - file mode & holes in file
3--SKIPIF--
4<?php
5if (substr(PHP_OS, 0, 3) == 'WIN') {
6    die('skip only valid for Linux');
7}
8--FILE--
9<?php
10/*
11 Prototype   : int filesize ( string $filename );
12 Description : Returns the size of the file in bytes, or FALSE
13   (and generates an error of level E_WARNING) in case of an error.
14*/
15
16/* Testing filesize() with data written using different file modes and by creating holes in file */
17
18$file_path = dirname(__FILE__);
19
20echo "*** Testing filesize(): usage variations ***\n";
21echo "\n*** Testing filesize() with data written using different file modes and by creating holes in file ***\n";
22
23$filename = $file_path."/filesize_variation4.tmp";
24$string = "Test 2 test the filesize() fn, with data containing all the types like !@@##$%^&*():<>?|~+!;',.\][{}(special) cha
25rs, 12345(numeric) chars, and \n(newline char), \t(tab), \0, \r and so on........\0";
26echo "-- opening the file in 'w' mode and get the size --\n";
27$file_handle = fopen($filename, "w");
28var_dump( strlen($string) );  //strlen of the string
29fwrite($file_handle, $string);
30fclose($file_handle);
31var_dump( filesize($filename) );  //size of the file = strlen of string
32clearstatcache();
33
34echo "-- opening the file in 'wt' mode and get the size --\n";
35$file_handle = fopen($filename, "wt");
36var_dump( strlen($string) );  //strlen of the string = 191 bytes
37fwrite($file_handle, $string);
38fclose($file_handle);
39var_dump( filesize($filename) );  //size of the file = strlen of string = 191 bytes
40clearstatcache();
41
42echo "-- opening the file in 'a' mode, adding data and checking the file --\n";
43$file_handle = fopen($filename, "a");
44fwrite($file_handle, "Hello, world");
45fclose($file_handle);
46var_dump( filesize($filename) );  //203 bytes
47clearstatcache();
48
49echo "-- opening the file in 'at' mode, adding data and checking the file --\n";
50$file_handle = fopen($filename, "at");
51fwrite($file_handle, "Hello, world\n");
52fclose($file_handle);
53var_dump( filesize($filename) );  //216 bytes
54clearstatcache();
55
56echo "-- creating a hole and checking the size --\n";
57$file_handle = fopen($filename, "a");
58var_dump( ftruncate($file_handle, 220) );  //creating 4 bytes of hole
59fclose($file_handle);
60var_dump( filesize($filename) );  //220 bytes
61clearstatcache();
62
63echo "-- writing data after hole and checking the size --\n";
64$file_handle = fopen($filename, "a");
65fwrite($file_handle, "Hello\0");  //wrting 6 bytes of data
66fclose($file_handle);
67var_dump( filesize($filename) );  //226 bytes
68clearstatcache();
69
70echo "-- opening the existing file in write mode --\n";
71fclose( fopen($filename, "w") );
72var_dump( filesize($filename) );  //0 bytes
73clearstatcache();
74
75echo "-- with empty file --\n";
76$filename = dirname(__FILE__)."/filesize_variation4_empty.tmp";
77fclose( fopen($filename, "w") );
78var_dump( filesize($filename) );  //0 bytes
79
80echo "*** Done ***\n";
81?>
82--CLEAN--
83<?php
84$file_path = dirname(__FILE__);
85unlink($file_path."/filesize_variation4.tmp");
86unlink($file_path."/filesize_variation4_empty.tmp");
87?>
88--EXPECT--
89*** Testing filesize(): usage variations ***
90
91*** Testing filesize() with data written using different file modes and by creating holes in file ***
92-- opening the file in 'w' mode and get the size --
93int(192)
94int(192)
95-- opening the file in 'wt' mode and get the size --
96int(192)
97int(192)
98-- opening the file in 'a' mode, adding data and checking the file --
99int(204)
100-- opening the file in 'at' mode, adding data and checking the file --
101int(217)
102-- creating a hole and checking the size --
103bool(true)
104int(220)
105-- writing data after hole and checking the size --
106int(226)
107-- opening the existing file in write mode --
108int(0)
109-- with empty file --
110int(0)
111*** Done ***
112